Home / 10,008.46-15,009.90-4,163.77

Finding the Fourth Proportional to 10,008.46, 15,009.90 and 4,163.77

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Solution

The fourth proportional to 10,008.46, 15,009.90 and 4,163.77 is: 6,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.46 : 15,009.90 = 4,163.77 : x
  2. Step 2: Convert to fraction form
    10,008.46/15,009.90 = 4,163.77/x
  3. Step 3: Cross multiply
    10,008.46x = 15,009.90 × 4,163.77
  4. Step 4: Simplify right side
    10,008.46x = 62,497,771.32
  5. Step 5: Solve for x
    x = 62,497,771.32/10,008.46
  6. Step 6: Final answer
    x = 6,244.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.